{"cve":"CVE-2015-1593","nvd":{"published":"2015-03-16T10:59:07.727","modified":"2026-06-17T00:22:39.767","status":"Modified","description":"The stack randomization feature in the Linux kernel before 3.19.1 on 64-bit platforms uses incorrect data types for the results of bitwise left-shift operations, which makes it easier for attackers to bypass the ASLR protection mechanism by predicting the address of the top of the stack, related to the randomize_stack_top function in fs/binfmt_elf.c and the stack_maxrandom_size function in arch/x86/mm/mmap.c.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-264"],"references":["http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=4e7c22d447bb6d7e37bfe39ff658486ae78e8d77","http://hmarco.org/bugs/linux-ASLR-integer-overflow.html","http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00009.html","http://lists.opensuse.org/opensuse-security-announce/2015-04/msg00015.html","http://rhn.redhat.com/errata/RHSA-2015-1137.html"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T20:35:35.528235705+00:00"},"epss":{"cve":"CVE-2015-1593","score":0.03814,"percentile":0.9005,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}